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Table 2 Survival of patients with p-stage III/N2 NSCLC by a univariate analysis (log-rank test)

From: Clinical significance in the number of involved lymph nodes in patients that underwent surgery for pathological stage III-N2 non-small cell lung cancer

  n Survival (%) p value
Age    
   <75 years 91 32.0 0.3519
   ≥ 75 years 30 39.5  
Gender    
   Male 89 33.0 0.3981
   Female 32 40.2  
T factor    
   T1 27 47.8 0.0125
   T2-4 94 30.8  
Histology    
   Adenocarcinoma 63 41.0 0.0637
   Others 58 28.2  
Surgical procedure    
   Pneumonectomy/bilobectomy 34 20.7 0.0345
   Lobectomy 87 40.1  
Skip metastasis    
   Yes 41 41.7 0.2156
   No 80 30.1  
Number of involved lymph nodes    
   1 or 2 37 55.2 0.0041
   3≤ 84 24.7